"
I am detecting the pinches made with two fingers.
I send these event back to my handler: 
	- OSTouchTwoFingersPinchBeginEvent 
	- OSTouchTwoFingersPinchMoveEvent 
	- OSTouchTwoFingersPinchEndEvent 
"
Class {
	#name : 'OSTouchTwoFingersPinchDetector',
	#superclass : 'OSTouchPinchDetector',
	#category : 'OSWindow-Core-Gestures',
	#package : 'OSWindow-Core',
	#tag : 'Gestures'
}

{ #category : 'abstract' }
OSTouchTwoFingersPinchDetector >> eventClassBeginGesture [
	^OSTouchTwoFingersPinchBeginEvent
]

{ #category : 'abstract' }
OSTouchTwoFingersPinchDetector >> eventClassEndGesture [
	^ OSTouchTwoFingersPinchEndEvent
]

{ #category : 'abstract' }
OSTouchTwoFingersPinchDetector >> eventClassMoveGesture [
	^ OSTouchTwoFingersPinchMoveEvent
]

{ #category : 'preconditions' }
OSTouchTwoFingersPinchDetector >> necessaryFingers [
	^ 2
]
